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I recently installed tube headers on my 63 chev 230CID 6 cylinder 4x4 K20 pick up and the engine is running way too lean. Are there any tips out there how to modifiy this GM "B" one barrel carb?
Can I change to a larger main jet, modify the power valve,change the float setting or just swap the carb? Thanks for the info Dick
 

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most GMs used to use rochester carbs and all of the jets are interchangable so you could take the jets out of 2jet,qjet,duojet,ect and most are marked with size you could also get them fron an AC Delco dealer
 
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